Works in Helvetica Chimica Acta, 1990, Vol 73, Issue 8

Results: 26

Influence of the Axial Alkyl Ligand on the Reduction Potential of Alkylcob(III)alamins and Alkylcob(III)yrinates.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2225, doi. 10.1002/hlca.19900730820

By:

Zhou, De-Ling;
Tinembart, Olivier;
Scheffold, Rolf;
Walder, Lorenz

Publication type:

Article

2H/1H Isotope Shifts for 6Li-NMR: First Experimental Detection and Applications to Structural Problems in the Field of Organolithium Compounds.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2071, doi. 10.1002/hlca.19900730802

By:

Eppers, Oswald;
Günther, Harald

Publication type:

Article

The Solid-State and Solution Conformations of (+)-Chelidonine.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2171, doi. 10.1002/hlca.19900730813

By:

Kamigauchi, Miyoko;
Miyamoto, Yuko;
Iwasa, Kinuko;
Sugiura, Makiko;
Nishijo, Zjujiro;
Takao, Narao;
Ishida, Toshimasa;
In, Yasuko;
Inoue, Masatoshi

Publication type:

Article

Umsetzungen von 3-(Dimethylamino)-2,2-dimethyl-2 H-azirin mit Barbitursäure-Derivaten.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2275, doi. 10.1002/hlca.19900730824

By:

Schläpfer-Dähler, Marlise;
Heimgartner, Heinz

Publication type:

Article

Novel C9 and C11 Hydrocarbons from the Brown Alga Cutleria multifida; Sigmatropic and Electrocyclic Reactions in Nature. Part VI.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2101, doi. 10.1002/hlca.19900730806

By:

Keitel, Jürgen;
Fischer-Lui, Iris;
Boland, Wilhelm;
Müller, Dieter G.

Publication type:

Article

Bilden sich aus Pentafulven und Cyclopentadien [6+4]-Cycloaddukte??

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2199, doi. 10.1002/hlca.19900730817

By:

Niggli, Urs;
Neuenschwander, Markus

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1990, v. 73, n. 8, p. fmi, doi. 10.1002/hlca.19900730801
Publication type:: Article

Acyl Migration in d6 Iron Complexes.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2251, doi. 10.1002/hlca.19900730822

By:

Kölbener, Pius;
Hund, Hans-Ulrich;
Bosch, H. William;
Sontag, Christoph;
Berke, Heinz

Publication type:

Article

Separation of Enantiomeric Irones by Gas-Liquid Chromatography on Modified Cyclodextrins.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2165, doi. 10.1002/hlca.19900730812

By:

Marner, Franz-Josef;
Runge, Torsten;
König, Wilfried A.

Publication type:

Article

Synthesis of 24-Methylidene[24-14C]- and 24-Methylidene[7-3H]cholesterol.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2097, doi. 10.1002/hlca.19900730805

By:

Monteagudo, Edith S.;
Burton, Gerardo;
Gros, Eduardo G.

Publication type:

Article

Carotinoide mit 7-Oxabicyclo[2.2.1]heptyl-Endgruppen. Teil II. Synthese von (2 S,5 R,6 S,2′ S,5′ R,6′ S)-2,5:2′5′-Diepoxy-5,6,5′,6′-tetrahydro-β,β-carotin.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2190, doi. 10.1002/hlca.19900730816

By:

Gmünder, Michael Roman;
Eugster, Conrad Hans

Publication type:

Article

Stereoselektive Synthesen von substituierten Tricarbonyl[tris(methylen)methan]eisen(0)-Komplexen.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2136, doi. 10.1002/hlca.19900730809

By:

Kappes, Dag;
Gerlach, Hans;
Zbinden, Peter;
Dobler, Max

Publication type:

Article

Microbial Metabolism of the Diterpene Sclareol: Oxidation of the A Ring by Septomyxa affinis.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2157, doi. 10.1002/hlca.19900730811

By:

Kouzi, Samir A.;
McChesney, James D.

Publication type:

Article

The Coordination Chemistry of 1,2-Bis[(diphenylphosphino)methyl]benzene with Nickel(II), Palladium(II), Platinum(II), and Platinum(0) and the X-Ray Crystals Structure of [Pt{1,2-bis[(diphenylphospino)methyl]benzene}(C2H4)].

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2263, doi. 10.1002/hlca.19900730823

By:

Camalli, Mercedes;
Caruso, Francesco;
Chaloupka, Stanislav;
Leber, Ernest M.;
Rimml, Heinrich;
Venanzi, Luigi M.

Publication type:

Article

A novel glyceryl ester (glyceryl dendryphiellate A), a trinor-eremophilane (dendryphiellin A1), and eremophilanes (dendryphiellin E1 and E2) from the marine deuteromycete Dendryphiella salina (S UTHERLAND) P UGH et N ICOT.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2090, doi. 10.1002/hlca.19900730804

By:

Guerriero, Antonio;
Cuomo, Vincenzo;
Vanzanella, Fortunato;
Pietra, Francesco

Publication type:

Article

Novel Hydroxyicosatetraenoic and Hydroxyicosapentaenoic Acids and a 13-Oxo Analog. Isolation from a Mixture of the Calcareous Red Algae Lithothamnion corallioides and Lithothamnion calcareum of Brittany Waters.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2183, doi. 10.1002/hlca.19900730815

By:

Guerriero, Antonio;
D'Ambrosio, Michele;
Pietra, Francesco

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2353, doi. 10.1002/hlca.19900730826
Publication type:: Article

Stoffwechselprodukte von Mikroorganismen. 257. Mitteilung. (3 S,5 R,6 E,8 E)-Deca-6,8-dien-1,3,5-triol, ein neues Stoffwechselprodukt von Streptomyces fimbriatus (M ILLARD et B URR 1926).

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2129, doi. 10.1002/hlca.19900730808

By:

Niederer, Daniel;
Séquin, Urs;
Drautz, Hannelore;
Zähner, Hans

Publication type:

Article

The Gas-Phase Ion/Molecule Reactions of C3H5X (X = C1, Br, I).

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2218, doi. 10.1002/hlca.19900730819

By:

Gäumann, Tino;
Zhu, Zhiqing;
Kida, Marcia C.;
Riveros, José M.

Publication type:

Article

Reaktionsverhalten tricyclischer 4 H,8 H-Benzo[1,2- c:4,5- c′]-diisoxazol-4,8-dione gegenüber Reduktionsmitteln.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2147, doi. 10.1002/hlca.19900730810

By:

Neidlein, Richard;
Bischer, Alfred;
Kramer, Walter

Publication type:

Article

Stereoselective Synthesis of the C(19)-to-C(27) Segment of Rifamycin S.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2242, doi. 10.1002/hlca.19900730821

By:

Born, Marco;
Tamm, Christoph

Publication type:

Article

Luminescence Properties of Eu3+ Complexes of Tripode and Tetrapode Ligands Containing 2,2′-Bipyridine Units.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2083, doi. 10.1002/hlca.19900730803

By:

Balzani, Vincenzo;
Berghmans, Erik;
Lehn, Jean-Marie;
Sabbatini, Nanda;
Terörde, Robert;
Ziessel, Raymond

Publication type:

Article

Kinetic Isotope Effects and exo/ endo-Face Selectivity in the Unimolecular Dehydrogenation of Norborneol Alkoxides in the Gas Phase.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2179, doi. 10.1002/hlca.19900730814

By:

Dreyer, Uwe;
Sülzle, Detlev;
Schröder, Detlel;
Schwarz, Helmut

Publication type:

Article

Eine neue 1,3-Oxathiolan-Synthese: Spirocyclische 1,3-Oxathiolane aus der Lewis-Säure katalysierten Umsetzung von 1,3-Thiazol-5(4 H)-thionen mil Oxiranen.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2287, doi. 10.1002/hlca.19900730825

By:

Tromm, Peter-Claus;
Heimgartner, Heinz

Publication type:

Article

Probing the Anomeric Effect in OCN Systems Theory vs. Experiment: MO- ab initio Calculations and a Structural-Statistical Analysis.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2113, doi. 10.1002/hlca.19900730807

By:

Senderowitz, Hanoch;
Aped, Pinchas;
Fuchs, Benzion

Publication type:

Article

Coenzyme F430 from Methanogenic Bacteria: Oxidation of F430 Pentamethyl Ester to the Ni(III) Form.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 8, p. 2209, doi. 10.1002/hlca.19900730818

By:

Jaun, Bernhard

Publication type:

Article

Works in Helvetica Chimica Acta, 1990, Vol 73, Issue 8

Influence of the Axial Alkyl Ligand on the Reduction Potential of Alkylcob(III)alamins and Alkylcob(III)yrinates.

<sup>2</sup>H/<sup>1</sup>H Isotope Shifts for <sup>6</sup>Li-NMR: First Experimental Detection and Applications to Structural Problems in the Field of Organolithium Compounds.

The Solid-State and Solution Conformations of (+)-Chelidonine.

Umsetzungen von 3-(Dimethylamino)-2,2-dimethyl-2 H-azirin mit Barbitursäure-Derivaten.

Novel C<sub>9</sub> and C<sub>11</sub> Hydrocarbons from the Brown Alga Cutleria multifida; Sigmatropic and Electrocyclic Reactions in Nature. Part VI.

Bilden sich aus Pentafulven und Cyclopentadien [6+4]-Cycloaddukte??

Masthead.

Acyl Migration in d<sup>6</sup> Iron Complexes.

Separation of Enantiomeric Irones by Gas-Liquid Chromatography on Modified Cyclodextrins.

Synthesis of 24-Methylidene[24-<sup>14</sup>C]- and 24-Methylidene[7-<sup>3</sup>H]cholesterol.

Carotinoide mit 7-Oxabicyclo[2.2.1]heptyl-Endgruppen. Teil II. Synthese von (2 S,5 R,6 S,2′ S,5′ R,6′ S)-2,5:2′5′-Diepoxy-5,6,5′,6′-tetrahydro-β,β-carotin.

Stereoselektive Synthesen von substituierten Tricarbonyl[tris(methylen)methan]eisen(0)-Komplexen.

Microbial Metabolism of the Diterpene Sclareol: Oxidation of the A Ring by Septomyxa affinis.

The Coordination Chemistry of 1,2-Bis[(diphenylphosphino)methyl]benzene with Nickel(II), Palladium(II), Platinum(II), and Platinum(0) and the X-Ray Crystals Structure of [Pt{1,2-bis[(diphenylphospino)methyl]benzene}(C<sub>2</sub>H<sub>4</sub>)].

A novel glyceryl ester (glyceryl dendryphiellate A), a trinor-eremophilane (dendryphiellin A1), and eremophilanes (dendryphiellin E1 and E2) from the marine deuteromycete Dendryphiella salina (S UTHERLAND) P UGH et N ICOT.

Novel Hydroxyicosatetraenoic and Hydroxyicosapentaenoic Acids and a 13-Oxo Analog. Isolation from a Mixture of the Calcareous Red Algae Lithothamnion corallioides and Lithothamnion calcareum of Brittany Waters.

Mitteilungen.

Stoffwechselprodukte von Mikroorganismen. 257. Mitteilung. (3 S,5 R,6 E,8 E)-Deca-6,8-dien-1,3,5-triol, ein neues Stoffwechselprodukt von Streptomyces fimbriatus (M ILLARD et B URR 1926).

The Gas-Phase Ion/Molecule Reactions of C<sub>3</sub>H<sub>5</sub>X (X = C1, Br, I).

Reaktionsverhalten tricyclischer 4 H,8 H-Benzo[1,2- c:4,5- c′]-diisoxazol-4,8-dione gegenüber Reduktionsmitteln.

Stereoselective Synthesis of the C(19)-to-C(27) Segment of Rifamycin S.

Luminescence Properties of Eu<sup>3+</sup> Complexes of Tripode and Tetrapode Ligands Containing 2,2′-Bipyridine Units.

Kinetic Isotope Effects and exo/ endo-Face Selectivity in the Unimolecular Dehydrogenation of Norborneol Alkoxides in the Gas Phase.

Eine neue 1,3-Oxathiolan-Synthese: Spirocyclische 1,3-Oxathiolane aus der Lewis-Säure katalysierten Umsetzung von 1,3-Thiazol-5(4 H)-thionen mil Oxiranen.

Probing the Anomeric Effect in OCN Systems Theory vs. Experiment: MO- ab initio Calculations and a Structural-Statistical Analysis.

Coenzyme F430 from Methanogenic Bacteria: Oxidation of F430 Pentamethyl Ester to the Ni(III) Form.